/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets.gp;

import be.ugent.medirem.logic.PatientRemote;
import be.ugent.medirem.persistence.exception.EntityNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Simon
 */
public class SelectPatientServlet extends HttpServlet {

    @EJB
    private PatientRemote patientBean;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String param = request.getParameter("id");
        if (param != null) {
            try {
                Long id = Long.parseLong(request.getParameter("id"));
                if (patientBean.getPatientDetails(id) != null) {
                    request.getSession().setAttribute("pid", id);
                    request.getRequestDispatcher("/gp/patient/main").forward(request, response);
                    return;
                }
            } catch (EntityNotFoundException ex) {
                Logger.getLogger(SelectPatientServlet.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IllegalArgumentException ex) {
                Logger.getLogger(SelectPatientServlet.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
        response.sendRedirect(request.getContextPath() + "/gp/patient/list");
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
